202122022122211 has 4 divisors (see below), whose sum is σ = 206822534264632. Its totient is φ = 197421509979792.

The previous prime is 202122022122197. The next prime is 202122022122227. The reversal of 202122022122211 is 112221220221202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202122022122211 - 2³⁵ = 202087662383843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202122022122311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350256071146 + ... + 2350256071231.

It is an arithmetic number, because the mean of its divisors is an integer number (51705633566158).

Almost surely, 2^{202122022122211} is an apocalyptic number.

202122022122211 is a deficient number, since it is larger than the sum of its proper divisors (4700512142421).

202122022122211 is an equidigital number, since it uses as much as digits as its factorization.

202122022122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700512142420.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202122022122211 its reverse (112221220221202), we get a palindrome (314343242343413).

The spelling of 202122022122211 in words is "two hundred two trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, two hundred eleven".